Best Machine Learning Development Agencies

Sigmoid vs EPAM Systems: full comparison for 2026

Last updated: July 2026

Quick verdict

Sigmoid (4.2/5) edges ahead of EPAM Systems (3.8/5) overall. Sigmoid is the better choice for large enterprises needing a data-engineering-first partner that also builds the ML models sitting on top of that data.. EPAM Systems is the stronger option for the largest global enterprises needing AI delivery embedded inside a massive, publicly traded, multi-service engineering partner.. The right choice depends on your project size, budget, and required tech stack.

Sigmoid vs EPAM Systems: head-to-head summary

Criterion Sigmoid EPAM Systems
Founded 2013 1993
HQ Bengaluru, India / New York, USA Newtown, Pennsylvania, USA
Team size 501–1,000 10,000+
Rating 4.2 / 5 3.8 / 5
Best for Large enterprises needing a data-engineering-first partner that also builds the ML models sitting on top of that data. The largest global enterprises needing AI delivery embedded inside a massive, publicly traded, multi-service engineering partner.
Pricing model Managed services and fixed project Managed services and fixed project
Min. engagement Not published Not published
Primary tech stack Python, Apache Spark, Databricks Python, EPAM DIAL, Azure OpenAI
Industries served Retail, Technology/SaaS, Financial Services, Media Financial Services, Healthcare, Retail, Technology/SaaS, Government

Sigmoid vs EPAM Systems: overview

Sigmoid

Sigmoid is a data engineering and AI consulting firm founded in 2013 by Rahul Singh, Lokesh Anand, and Mayur Rustagi. Sources differ on its primary headquarters, with some citing Bengaluru, India and others New York; reported headcount ranges from roughly 600 to 760 employees. The firm markets itself around round-the-clock data engineering and AI services for more than 25 Fortune 500 clients.

EPAM Systems

EPAM Systems is a global digital engineering company founded in 1993 by Arkadiy Dobkin and Leo Lozner, listed on the NYSE since 2012, with approximately 62,850 employees as of end of 2025. The company has built a proprietary AI orchestration platform, EPAM DIAL, for managing large language models in production, but AI/ML delivery represents one part of an enormous, broadly diversified enterprise engineering portfolio.

Services and capabilities: Sigmoid vs EPAM Systems

Capability Sigmoid EPAM Systems
Custom ML model development
Deep learning & computer vision
NLP & LLM / Generative AI
MLOps & production deployment
Data engineering
AI strategy consulting
Staff augmentation

Tech stack comparison: Sigmoid vs EPAM Systems

Framework / platform Sigmoid EPAM Systems
Python
TensorFlow N/A N/A
PyTorch N/A N/A
AWS
Azure N/A
Google Cloud N/A N/A
Kubernetes N/A
Databricks N/A
LangChain N/A N/A

Pricing comparison: Sigmoid vs EPAM Systems

Criterion Sigmoid EPAM Systems
Minimum engagement Not published Not published
Engagement models Managed services, Fixed project Managed services, Fixed project, Staff augmentation
Rate transparency Not public Not public
Price tier Enterprise / not published Enterprise / not published

Target audience comparison: Sigmoid vs EPAM Systems

Dimension Sigmoid EPAM Systems
Best company size Mid-market to enterprise Enterprise
Best industries Retail, Technology/SaaS, Financial Services Financial Services, Healthcare, Retail
Best use cases Building the data pipeline and the ML model together for a large enterprise client, Fortune 500 programs needing 24/7 delivery across time zones Global enterprises needing AI delivered at a scale only a 60,000+ employee firm can support, Programs that specifically want to leverage the EPAM DIAL LLM orchestration platform
Typical project type Managed services Managed services

Sigmoid vs EPAM Systems: pros and cons

Sigmoid
+ Round-the-clock delivery model across geographies and time zones supports faster iteration
+ 25+ named Fortune 500 clients suggests real enterprise-scale delivery credibility
+ Combines data engineering and AI/ML under one roof, reducing hand-off friction
+ 12 years of focused operation in data engineering and analytics
- Public sources disagree on primary headquarters location (Bengaluru vs. New York) — confirm the contracting entity directly
- Data-engineering-first positioning may mean less emphasis on cutting-edge model research than AI-first boutiques
- Minimum engagement size not publicly disclosed
EPAM Systems
+ Largest, most globally distributed team on this list, supporting essentially unlimited program scale
+ NYSE listing (since 2012) provides the highest level of public financial transparency among firms reviewed here
+ Proprietary EPAM DIAL platform for LLM orchestration shows real internal AI infrastructure investment
+ 32 years of continuous operation across more than 55 countries
- AI/ML is a specialization within an enormous generalist engineering portfolio, not the company's defining focus
- Scale of the organization can translate into higher account-management overhead for smaller engagements
- Buyers wanting a boutique, founder-accessible relationship will find that better served by smaller firms on this list

Who should choose Sigmoid?

Sigmoid is the right choice for large enterprises needing a data-engineering-first partner that also builds the ML models sitting on top of that data..

Data-engineering-first delivery model, with ML/AI built directly on pipelines the firm also builds and manages.. Minimum engagement starts at Not published. Works best with clients in Retail, Technology/SaaS, Financial Services, Media.

Who should choose EPAM Systems?

EPAM Systems is the right choice for the largest global enterprises needing AI delivery embedded inside a massive, publicly traded, multi-service engineering partner..

Largest headcount on this list (62,000+) with NYSE-listed financial transparency and a proprietary LLM orchestration platform (EPAM DIAL).. Minimum engagement starts at Not published. Works best with clients in Financial Services, Healthcare, Retail, Technology/SaaS, Government.

Decision matrix: Sigmoid vs EPAM Systems

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Sigmoid
You need a large dedicated team for an ongoing programme Check each company's engagement model
Your budget is at the lower end Compare: Sigmoid (Not published) vs EPAM Systems (Not published)
You need specialist depth in a specific vertical EPAM Systems
You need staff augmentation or team extension EPAM Systems
You need consulting before committing to a build EPAM Systems

Use case fit: Sigmoid vs EPAM Systems

Use case Sigmoid fit EPAM Systems fit Winner
Building the data pipeline and the ML model together for a large enterprise client Strong Limited Sigmoid
Fortune 500 programs needing 24/7 delivery across time zones Strong Limited Sigmoid
Global enterprises needing AI delivered at a scale only a 60,000+ employee firm can support Limited Strong EPAM Systems
Programs that specifically want to leverage the EPAM DIAL LLM orchestration platform Strong Strong Both equally
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Sigmoid vs EPAM Systems

Sigmoid (4.2/5) is the stronger overall choice for most Machine Learning Development projects. Data-engineering-first delivery model, with ML/AI built directly on pipelines the firm also builds and manages.. It is best for large enterprises needing a data-engineering-first partner that also builds the ML models sitting on top of that data..

EPAM Systems (3.8/5) is the better choice when the largest global enterprises needing AI delivery embedded inside a massive, publicly traded, multi-service engineering partner.. If your situation matches those criteria, EPAM Systems is a competitive option.

Related comparisons

Sigmoid vs EPAM Systems FAQ

Is Sigmoid better than EPAM Systems?

Sigmoid (4.2/5) scores higher overall, but "better" depends on your use case. Sigmoid is better for large enterprises needing a data-engineering-first partner that also builds the ML models sitting on top of that data.. EPAM Systems is better for the largest global enterprises needing AI delivery embedded inside a massive, publicly traded, multi-service engineering partner..

How do Sigmoid and EPAM Systems differ in pricing?

Sigmoid uses managed services and fixed project pricing with a minimum engagement of Not published. EPAM Systems uses managed services and fixed project pricing with a minimum engagement of Not published. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Sigmoid or EPAM Systems?

Sigmoid is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each agency before shortlisting.

What are the main differences between Sigmoid and EPAM Systems?

Sigmoid's primary differentiator is: data-engineering-first delivery model, with ml/ai built directly on pipelines the firm also builds and manages.. EPAM Systems's primary differentiator is: largest headcount on this list (62,000+) with nyse-listed financial transparency and a proprietary llm orchestration platform (epam dial).. They also differ in team size (501–1,000 vs 10,000+), minimum engagement (Not published vs Not published), and primary industries served (Retail, Technology/SaaS vs Financial Services, Healthcare).

Last reviewed: July 2026. Verify all details directly with each agency before making a decision.